typedef PD3DXMATRIX (WINAPI *TD3DXMatrixMultiply)(
  _Inout_  D3DXMATRIX *pOut,
  _In_     const D3DXMATRIX *pM1,
  _In_     const D3DXMATRIX *pM2
);

TD3DXMatrixMultiply OldD3DXMatrixMultiply;

DllExport PD3DXMATRIX cc D3DXMatrixMultiply(
  _Inout_  D3DXMATRIX *pOut,
  _In_     const D3DXMATRIX *pM1,
  _In_     const D3DXMATRIX *pM2
)
{
	return OldD3DXMatrixMultiply (pOut, pM1, pM2);
}
